Twist Bioscience Corporation (TWST) ownership: Top institutional holder: Artisan Partners Limited Partnership ($302.60M). Insider activity: Net Seller (0 buys, 20 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Artisan Partners Limited Partnership | 6367777.00 | $302.60M | 2026-03-31 |
| ARK Investment Management LLC | 6342733.00 | $301.41M | 2026-03-31 |
| BlackRock, Inc. | 5554362.00 | $263.94M | 2026-03-31 |
| EdgePoint Investment Group Inc. | 5382521.00 | $255.78M | 2026-03-31 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 5269718.00 | $250.42M | 2026-03-31 |
| VANGUARD GROUP INC | 5776198.00 | $183.22M | 2025-12-31 |
| STATE STREET CORP | 3670682.00 | $174.43M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2649101.00 | $125.89M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 | |
| Sell | null | 2026-08-18 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.